728025 has 24 divisors (see below), whose sum is σ = 1276704. Its totient is φ = 364800.

The previous prime is 728017. The next prime is 728027. The reversal of 728025 is 520827.

It is not a de Polignac number, because 728025 - 2³ = 728017 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 727986 and 728004.

It is not an unprimeable number, because it can be changed into a prime (728027) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 990 + ... + 1560.

It is an arithmetic number, because the mean of its divisors is an integer number (53196).

2⁷²⁸⁰²⁵ is an apocalyptic number.

728025 is a gapful number since it is divisible by the number (75) formed by its first and last digit.

It is an amenable number.

728025 is a deficient number, since it is larger than the sum of its proper divisors (548679).

728025 is a wasteful number, since it uses less digits than its factorization.

728025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 601 (or 596 counting only the distinct ones).

The product of its (nonzero) digits is 1120, while the sum is 24.

The square root of 728025 is about 853.2438104083. The cubic root of 728025 is about 89.9598586422.

The spelling of 728025 in words is "seven hundred twenty-eight thousand, twenty-five".